LANDBODY_START = 0
WATERBODY_START = 1000
TILE_WATER = -1
TILE_COASTLINE = -2
TILE_INVALID = -3
TILE_UNUSABLE = -4

ISLAND_STYLE_NONE = 0
ISLAND_STYLE_SOME = 1
ISLAND_STYLE_LOTS = 2

MIN_COUNTRY_SIZE = 30
MAX_COUNTRY_SIZE = 150
